Questions tagged [select]
The selection of data from a database based on some criteria.
604 questions
-1 votes
0 answers
98 views
Quick way to select seas and continents in QGIS
Firstly, I'm a beginner and still don't understand many of the functions in QGIS. I want to draw a historical map where I color Northwest Africa and Southern Spain, Northern Spain, and Central Africa. ...
- 1
1 vote
0 answers
53 views
Creating live map in ArcGIS Online
My team is preparing for transitioning our ArcGIS ecosystem from a model where one person is solely in charge of the geodatabase/map, to where we would like to have multiple people be able to make ...
4 votes
2 answers
178 views
QGIS: Selection color based on layer color
I have a shapefile in QGIS Desktop 3.40.5 and I want to change the selection color so that I still see the original color of a shape. Let's say I have a bunch of parcels, with some being red and some ...
- 83
3 votes
2 answers
92 views
Selecting certain feature by ID from shapefile via ogr2ogr
I try to use the feature ID in a SQL query using the SQLite dialect with the tool ogr2ogr version 2.2.3. What is the attribute name for the feature ID. I tried the attributes FID and ID. Both attempts ...
- 3,735
1 vote
0 answers
44 views
Selecting items XML with model designer
I am working with QGIS version 3.34.4-Prizren. My aim is to: insert several .xml, select some items from each one of them, transform these items to shapefiles, clip them and reproject them. Since I ...
- 129
1 vote
2 answers
149 views
Does ogr LIKE have undocumented differences depending on FROM?
This LIKE works as expected: $ ogrinfo :memory: -q -al -dialect SQLite -sql \ "SELECT \"8145\" AS name WHERE name LIKE \"%8%\"" Layer name: SELECT OGRFeature(SELECT):0 ...
- 756
1 vote
0 answers
32 views
Change the behavior (geometric predicate) of manual selection tools in QGIS
Is there a way to change the behavior of manual selection tools in QGIS. By default, every feature that is intersected in any way by these manual selection tools will be selected. Would it be possible ...
- 129
0 votes
2 answers
97 views
Why does ST_DissolvePoints give me nothing?
Why does ST_DissolvePoints give me nothing? Other people Using GDAL to get vertices of a multipolygon don't seem to have a problem. $ ogrinfo -q input_contours.csv -dialect SQLite -sql \ "SELECT ...
- 756
-1 votes
2 answers
81 views
ogr2ogr -f CSV: input same as output
Here I asked ogr2ogr to -simplify my data. But no, it just pretty much hands me back what I gave it. $ ogr2ogr i.csv h.csv -simplify .001 $ wc --chars --total=never h.csv i.csv 9357 h.csv 9361 i.csv ...
- 756
0 votes
0 answers
40 views
Finding top 50 site in 3 miles buffer using building polygons with ArcGIS Pro
I have a CSV file that contains different site information for the State of Georgia. I currently have a building polygon and an AOI and 3 miles buffer around the sites. I want to do an analysis that ...
3 votes
1 answer
152 views
Selecting point demanding on distance and date with QGIS Expression
I have a point layer with different attributes, and one is a date (dd.MM.yyyy). For the first date, I select all points. For the next date, I select all points, if they are further than 100 meters of ...
- 1,892
3 votes
2 answers
179 views
Automatically scrolling to first row in attribute table after selecting features on map in QGIS
Is there an option to automatically scroll to the first row in the attribute table, when selecting features on the map? I'm working on QGIS version 3.40.0-Bratislava. When I'm working with data on the ...
- 31
4 votes
1 answer
156 views
Execute 'Iterate Feature Selection' in ModelBuilder only if Features are Selected
I have a feature layer, and with ModelBuilder (ArcMap 10.8) I'm trying to ensure that the "Iterate Feature Selection" tool is carried out only if there are selected features; if no feature ...
- 329
1 vote
0 answers
100 views
Making sure the user selects a feature of a vector layer and not the raster below
I'm working on PyQGIS console and I have a problem: when I click on a feature of my vector layer, raises the Python error: "AttributeError: 'QgsRasterLayer' object has no attribute '...
1 vote
1 answer
122 views
Asking user to select any features in QGIS
I would be like writing a script on the PyQGIS console, that, at the beginning, stops itself and asks the user to select some features of a layer. I mean a window dialog which asks the user to select ...